Tuesday night, domestic goddess and British best selling author Nigella Lawson came to Houston to promote her new book Nigella Christmas. She has starred on the food network with the shows Nigella Feasts and Nigella Express, as well as starred on the BBC in the UK.  At first, I wasn’t sure if I would want a Christmas cook book. Perhaps I was afraid that the book would only be good for one meal a year. After reading through Nigella’s book, I was happy that I picked it up.  She is